C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/103
C08G 63/18 (2006.01) C08G 18/42 (2006.01) C08G 63/672 (2006.01) C08L 67/02 (2006.01)
Patent
CA 1276734
SELF-COMPATIBILIZING POLYESTER POLYOL BLENDS BASED ON POLYALKYLENE TEREPHTHALATE ABSTRACT Terephthalate polyester polyol blends comprising reaction products of a combination of polyethylene terephthalate, a polybasic carboxylic acid compound, a low molecular weight diol compound and a compatibilizer compound are compatible with fluorcarbon blowing agents. These polyol blends are produced by a simple heating process and are thereafter blendable with various conventional polyols and other additives to make resin prepolymer blends which can be catalytically reacted with organic isocyanates to produce cellular polyurethanes and polyurethane/polyisocyanurates.
511769
Kelley Brian
Loeb Melvin
Magnus George
Wood Robert J.
Smart & Biggar
Stepan Company
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